Analysing Data Flashcards
1
Q
What is the mean of a set of numbers?
A
It is the sum of all the numbers / the amount of numbers. It is the most commonly used average.
2
Q
What is the median of a set of numbers?
A
If you write the numbers in ascending order then the median is the central number. If there is no central number, then it is halfway between the two central numbers.
3
Q
What is the mode of a set of numbers?
A
The mode is the number or item that occurs most often in a set.
4
Q
What is the range of a set of numbers?
A
The range is the largest number minus the smallest number.
5
Q
What is the interquartile range of a set of numbers?
A
It is the upper quartile minus the lower quartile.